JavaScript Contract Job Trends in Cardiff

JavaScript (including ECMAScript)
South Wales > Cardiff

The table below provides summary statistics and contractor rates for jobs advertised in Cardiff requiring JavaScript skills. It covers contract job vacancies from the 6 months leading up to 13 December 2025, with comparisons to the same periods in the previous two years.

6 months to
13 Dec 2025
Same period 2024 Same period 2023
Rank 25 32 24
Rank change year-on-year +7 -8 -5
Contract jobs citing JavaScript 10 2 14
As % of all contract jobs in Cardiff 4.02% 0.86% 5.79%
As % of the Programming Languages category 16.95% 3.23% 16.09%
Number of daily rates quoted 9 1 11
10th Percentile £284 - £381
25th Percentile £375 - £400
Median daily rate (50th Percentile) £425 £550 £425
Median % change year-on-year -22.73% +29.41% -5.56%
75th Percentile £488 - £463
90th Percentile £507 - £563
South Wales median daily rate £450 £575 £425
% change year-on-year -21.74% +35.29% -5.56%

All Programming Languages
Cardiff

JavaScript falls under the Programming Languages category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring coding skills in Cardiff.

Contract vacancies with a requirement for coding skills 59 62 87
As % of all contract IT jobs advertised in Cardiff 23.69% 26.72% 35.95%
Number of daily rates quoted 49 48 62
10th Percentile £305 £165 £194
25th Percentile £375 £245 £227
Median daily rate (50th Percentile) £450 £463 £425
Median % change year-on-year -2.70% +8.82% -10.53%
75th Percentile £515 £545 £538
90th Percentile £603 £558 £620
South Wales median daily rate £450 £425 £425
% change year-on-year +5.88% - -19.81%
Number of hourly rates quoted 0 1 3
10th Percentile - - £22.20
25th Percentile - £51.25 £23.63
Median hourly rate - £52.50 £26.00
Median % change year-on-year - +101.92% +44.44%
75th Percentile - £53.75 £39.88
90th Percentile - - £48.20
South Wales median hourly rate £30.00 £20.24 £51.25
% change year-on-year +48.26% -60.52% +184.72%

JavaScript
Job Vacancy Trend in Cardiff

Historical trend showing the proportion of contract IT job postings citing JavaScript relative to all contract IT jobs advertised in Cardiff.

JavaScript job vacancy trend in Cardiff

JavaScript
Daily Rate Trend in Cardiff

Contractor daily rate distribution trend for jobs in Cardiff citing JavaScript.

Contractor daily rate distribution trend for jobs in Cardiff citing JavaScript

JavaScript
Daily Rate Histogram in Cardiff

Daily rate distribution for jobs citing JavaScript in Cardiff over the 6 months to 13 December 2025.

Daily rate histogram for JavaScript in Cardiff

JavaScript
Hourly Rate Trend in Cardiff

Contractor hourly rate distribution trend for jobs in Cardiff citing JavaScript.

Contractor hourly rate distribution trend for jobs in Cardiff citing JavaScript

JavaScript
Co-Occurring Skills & Capabilities in Cardiff by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 1 (10.00%) CMS
1 1 (10.00%) Drupal
Cloud Services
1 7 (70.00%) Azure
1 7 (70.00%) Azure DevOps
2 2 (20.00%) BrowserStack
2 2 (20.00%) GCP
2 2 (20.00%) GitHub
3 1 (10.00%) Azure Service Bus
3 1 (10.00%) Cloud Functions
3 1 (10.00%) Power Platform
3 1 (10.00%) PowerApps
Database & Business Intelligence
1 2 (20.00%) BigQuery
1 2 (20.00%) Data Warehouse
1 2 (20.00%) RDBMS
1 2 (20.00%) Relational Database
Development Applications
1 4 (40.00%) Cucumber
1 4 (40.00%) Git
1 4 (40.00%) GitLab
1 4 (40.00%) Jenkins
1 4 (40.00%) JIRA
1 4 (40.00%) Zephyr
2 2 (20.00%) Bitbucket
2 2 (20.00%) JMeter
2 2 (20.00%) Postman
2 2 (20.00%) Selenium
2 2 (20.00%) WebDriver
3 1 (10.00%) Cypress.io
General
1 3 (30.00%) Social Skills
2 2 (20.00%) Finance
2 2 (20.00%) Public Sector
3 1 (10.00%) Documentation Skills
Job Titles
1 3 (30.00%) Developer
2 2 (20.00%) Data Engineer
2 2 (20.00%) Product Owner
2 2 (20.00%) Quality Engineer
2 2 (20.00%) Test Automation Engineer
2 2 (20.00%) Test Engineer
3 1 (10.00%) Applications Developer
3 1 (10.00%) Drupal Developer
3 1 (10.00%) Lead
3 1 (10.00%) Power Apps Developer
3 1 (10.00%) Technical Leader
3 1 (10.00%) Technical Product Owner
3 1 (10.00%) Web Developer
Libraries, Frameworks & Software Standards
1 4 (40.00%) .NET
1 4 (40.00%) CSS
1 4 (40.00%) HTML
2 2 (20.00%) AngularJS
2 2 (20.00%) Flutter
2 2 (20.00%) Node.js
2 2 (20.00%) Playwright
2 2 (20.00%) PySpark
2 2 (20.00%) RESTful
3 1 (10.00%) .NET Core
3 1 (10.00%) ASP.NET Web API
3 1 (10.00%) CSS3
3 1 (10.00%) Drush
3 1 (10.00%) HTML5
3 1 (10.00%) HTML5 Canvas
3 1 (10.00%) Jest
3 1 (10.00%) Microsoft Graph
3 1 (10.00%) Next.js
3 1 (10.00%) React
3 1 (10.00%) Twig
Miscellaneous
1 2 (20.00%) Mobile App
1 2 (20.00%) Product Ownership
2 1 (10.00%) Client/Server
2 1 (10.00%) Foreign Exchange (FX)
2 1 (10.00%) Legacy Systems
2 1 (10.00%) NHS
2 1 (10.00%) Onboarding
Processes & Methodologies
1 8 (80.00%) DevOps
2 7 (70.00%) Agile
2 7 (70.00%) CI/CD
3 5 (50.00%) Test Automation
4 3 (30.00%) BDD
4 3 (30.00%) Continuous Improvement
5 2 (20.00%) Cross-Browser Testing
5 2 (20.00%) Data Engineering
5 2 (20.00%) ETL
5 2 (20.00%) Mentoring
5 2 (20.00%) Microservices
5 2 (20.00%) Non-Functional Testing
5 2 (20.00%) OO
5 2 (20.00%) OOP
5 2 (20.00%) SDLC
5 2 (20.00%) Stakeholder Management
5 2 (20.00%) Test Management
6 1 (10.00%) Collaborative Working
6 1 (10.00%) Mobile Application Development
6 1 (10.00%) Problem-Solving
Programming Languages
1 5 (50.00%) SQL
2 3 (30.00%) C#
2 3 (30.00%) TypeScript
3 2 (20.00%) Java
3 2 (20.00%) Python
4 1 (10.00%) PHP
Quality Assurance & Compliance
1 4 (40.00%) QA
2 2 (20.00%) Accessibility
2 2 (20.00%) Data Quality
3 1 (10.00%) WCAG
Vendors
1 2 (20.00%) Oracle
2 1 (10.00%) Microsoft